.choose-jump .logo {
    background: url("../images/white_logo.png") no-repeat center center;
    height: 16rem;
    width: 8rem;
    margin: 1rem auto;
    background-size: 100% auto;
}
.gift-bag .poster {
    background: url("../images/gift_bag/poster.png") no-repeat center center;
    height: 22rem;
    width: 100%;
    margin: 1rem auto;
    background-size: 100% auto;
}
.app-download .title {
    background: url("../images/gift_bag/qrcode_hd.png") no-repeat center center;
    height: 5rem;
    width: 100%;
    margin: 1rem auto;
    background-size: 100% auto;
}
.app-download .qrcode {
    background: url("../images/qrcode_apk.png") no-repeat center center;
    background-color: #ffffff;
    height: 10rem;
    width: 10rem;
    margin: 0 auto 2rem;
    background-size: 85% auto;
    border-radius: 0.5rem;
}